Method for deaerating liquid products

Details Method for deaerating liquid products Method for deaerating liquid products

1994-08-31

1996-06-04

Woo, Jay H.

Gas separation: processes

Selective diffusion of gases

Selective diffusion of gases through substantially solid...

95 54, 96 6, B01D 6100, B01D 1900

Patent

active

055229174

ABSTRACT:
A deaeration method for eliminating dissolved gases from a liquid product, which method involves low initial cost and running cost, compact equipment, and simple arrangement to accomplish the deaeration. For the method to eliminate dissolved gases from a liquid product, a deaeration module which is divided by a gas-pervious membrane into a liquid phase side and a vapor phase side is used. A deaeration-use gas composed of one or more kinds of inactive gases is previously dissolved in a liquid product to be deaerated, whereby a deaeration-target liquid is prepared. The deaeration-target liquid is distributed on the liquid phase side, in which distribution process the deaeration-use gas moves to the vapor phase side via the gas-pervious membrane, while the dissolved gases move to the vapor phase side along with the movement of the deaeration-use gas. This movement of the gases is carried out during passage through the deaeration module under ambient pressure.

REFERENCES:
patent: 3574987 (1971-04-01), Skoli et al.
patent: 4268279 (1981-05-01), Shindo et al.
patent: 4531954 (1985-07-01), Klein
patent: 4729773 (1988-03-01), Shirato et al.
patent: 5143526 (1992-09-01), Lee et al.

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